CN213259827U

CN213259827U - Edge pressing mechanism of substrate cutting machine

Info

Publication number: CN213259827U
Application number: CN202021610374.2U
Authority: CN
Inventors: 纪磊
Original assignee: Beijing North Huachuang Magnetoelectric Technology Co ltd
Current assignee: Beijing North Huachuang Magnetoelectric Technology Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-05-25
Anticipated expiration: 2030-08-05

Abstract

The utility model relates to a blank pressing mechanism of substrate guillootine relates to the field of guillootine, including two installation section of thick bamboos, rotate bracing piece, the pivoted drive arrangement of actuating support pole and the pressure arm of setting on the bracing piece of connecting between two installation sections of thick bamboos, the pressure arm is including being used for the mount pad be connected with the bracing piece, articulate at the linking arm of mount pad one end, set up the pinch roller of keeping away from mount pad one end and articulate the cushion cylinder between mount pad and linking arm at the linking arm, drive arrangement is configured as start when cushion cylinder piston rod contracts the assigned position. This application has the effort on the release pressure arm that can be automatic, need not the staff manual work and lifts up the pressure arm, and the staff's that has significantly reduced work burden operates very simple effect.

Description

Edge pressing mechanism of substrate cutting machine

Technical Field

The application relates to the field of guillootine, especially relate to a blank pressing mechanism of substrate guillootine.

Background

At present, when electronic components are manufactured on a printed circuit board, a substrate is basically used, and can be used as a shielding material, and the manufactured electronic components can keep good magnetic conductivity under a high-frequency condition.

Because the size of the substrate when being manufactured is larger, the substrate can be cut into a proper size according to the requirement after the substrate is manufactured, and the cutting machine is generally used for cutting the substrate at present. When the substrate cutting device is used, a substrate to be cut needs to be placed at a feeding port of the cutting machine, so that a cutting knife of the cutting machine cuts along the length direction of the substrate in the width direction of the substrate, the substrate is cut into a proper width, and meanwhile, the roller shafts with proper quantity are arranged at the discharging port of the cutting machine and used for winding the cut substrate. (for example, cutting 2m by 20m substrates into 21 m by 20m substrates requires 2 rollers at the discharge port of the cutting machine for winding up the cut substrates). When the substrate after cutting is rolled, in order to ensure the width consistency of the substrate and the smoothness of the cut edge, the edge pressing mechanism is generally placed on the roll shaft, the substrate is wound on the roll shaft and is positioned between the roll shaft and the edge pressing mechanism, the edge of the substrate can be pressed and held, and the flatness of the edge of the substrate is ensured.

At present the fixed pressure arm of discharge gate department installation that generally used blank pressing mechanism is cutting, install the pinch roller on the pressure arm, the pinch roller is pressed at the edge of substrate by the gravity of pressure arm, but along with the rolling of substrate on the roller, the diameter that roller and rolling formed at the epaxial substrate of roller is grow gradually, the roller and rolling will be followed pressure arm length direction and given the effort that deviates from the pinch roller for pressure arm, this effort will influence blank pressing mechanism and hold work to the normal pressure of substrate, reduce the planarization at substrate edge. Therefore, the pressure arm rod is required to be lifted by an angle through the manual work of a worker often, the acting force on the pressure arm is released, the labor burden of the worker is greatly increased, and the operation is very troublesome.

SUMMERY OF THE UTILITY MODEL

In order to solve the staff and need often artifically lift the release effort with the pressure arm, increase staff's burden, operate very troublesome problem, this application provides a blank pressing mechanism of substrate guillootine.

The application provides a pair of blank pressing mechanism of substrate guillootine adopts following technical scheme:

the utility model provides a blank pressing mechanism of substrate guillootine, includes two installation section of thick bamboos, rotates bracing piece, the pivoted drive arrangement of drive support bar and the pressure arm of setting on the bracing piece of connecting between two installation sections of thick bamboos, the pressure arm is including the mount pad that is used for being connected with the bracing piece, articulate linking arm, the setting of mount pad one end keep away from the pinch roller of mount pad one end and articulate the cushion cylinder between mount pad and linking arm at the linking arm, drive arrangement is configured to start when cushion cylinder piston rod contracts the assigned position.

Through adopting above-mentioned technical scheme, under the normality, the installation section of thick bamboo is installed on the guillootine, and the pressure arm is installed on the bracing piece, and the pinch roller butt just extrudes the substrate between pinch roller and roller on the substrate. Along with the rolling of substrate, when roller and rolling are given the arm pressing one along the arm pressing length direction for the arm pressing effort of keeping away from the pinch roller at the epaxial substrate of roller, so make the piston rod of cushion cylinder have certain flexible surplus in the cylinder body of cushion cylinder because fill through gas in the cylinder body of cushion cylinder, so the effort will drive the shrink of cushion cylinder piston rod, alleviate and make the arm pressing unable normal pressure to the substrate hold work owing to the effort, automatic drive arrangement that opens when cushion cylinder piston rod shrink to the certain degree, drive arrangement will drive the stay tube and rotate, make the pinch roller briefly separate with the substrate, release the effort on the arm pressing. The automatic release of the acting force on the pressure arm is realized, the pressure arm does not need to be lifted up manually by workers, the workload of the workers is greatly reduced, and the operation is very simple

Preferably, the driving device is located at one end of the supporting rod and comprises a motor and a speed reducer fixedly connected to an output shaft of the motor, and the output shaft of the speed reducer is fixedly connected to one end of the supporting rod.

Through adopting above-mentioned technical scheme, through starter motor, motor output shaft drives the reduction gear and rotates, and reduction gear output shaft drives the bracing piece and rotates to drive the pressure arm around rotating with the junction of bracing piece, make pinch roller and roller separation, make the effort on the pressure arm of reloading or release all more convenient. The speed reducer can reduce the rotational speed of the motor output shaft so that the support rod can rotate at a lower speed.

Preferably, a magnetic switch is fixedly connected to the outer wall of the buffer cylinder, the magnetic switch is located at one end, far away from the pinch roller, of the buffer cylinder, a magnetic ring is fixedly connected to a piston rod of the buffer cylinder, the magnetic ring is located at one end, located inside the buffer cylinder, of the piston rod of the buffer cylinder, and the motor is configured to start when the piston rod of the buffer cylinder contracts to the position where the magnetic ring reaches the magnetic switch.

By adopting the technical scheme, when the acting force on the pressure arm pushes the piston rod of the buffer cylinder to retract, the piston rod of the buffer cylinder drives the magnetic ring fixedly connected with the piston rod of the buffer cylinder to move towards the direction of the magnetic switch, when the magnetic ring moves to the position of the magnetic switch, the magnetic switch suction circuit is switched on, the control motor is started, the automatic release of the acting force on the pressure arm is realized, and the operation is more convenient.

Preferably, the mounting seat with bracing piece sliding fit, there is the guide rail along its length direction rigid coupling on the bracing piece, set up on the mounting seat and supply the spout of guide rail embedding.

By adopting the technical scheme, the position of the sliding installation seat on the supporting rod can be installed in a sliding mode through the matching of the sliding groove and the guide rail, the pressing wheel can be always abutted to the substrate, and the operation is more flexible.

Preferably, one side of the supporting rod, which is far away from the pressing wheel, is supported by an installation rod, the installation rod is in sliding fit with the installation seat, and the installation seat can be locked at any position of the installation rod through a locking piece.

Through adopting above-mentioned technical scheme, the installation pole can play the effect of anticreep to the mount pad, and the installation pole can keep away from a pulling force of the one end of pinch roller for the mount pad, avoids driving the pressure arm slope under pinch roller action of gravity. And the position of the mounting seat on the mounting rod can be fixed through the locking piece, so that the pressing arm is prevented from sliding on the mounting rod under the action of external force.

Preferably, the locking piece includes the locking bolt, seted up the locking hole on the mount pad the locking bolt wear to locate the locking hole with the outer wall butt of installation pole.

By adopting the technical scheme, the locking bolt is screwed into the locking hole and is abutted against the outer wall of the mounting rod, so that the position of the mounting seat on the mounting rod can be fixed, and the mounting seat is prevented from sliding on the mounting rod under the action of external force.

Preferably, a counterweight block is fixedly connected to one end of the connecting arm far away from the mounting seat.

Through adopting above-mentioned technical scheme, the balancing weight can increase the gravity of pinch roller for it is bigger to the pressure dynamics of holding of substrate, makes the substrate after holding of pressure more level and more smooth.

Preferably, the pressing arms are provided in plurality, and the pressing arms are arranged side by side along the length direction of the supporting rod.

Through adopting above-mentioned technical scheme, a plurality of pressure arms can carry out many places to the substrate along substrate width direction and press and hold, and two pressure arms at both ends also can press and hold the both sides of substrate for the edge of substrate is more level and smooth.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the buffer cylinder and the magnetic proximity switch can automatically release the acting force on the pressure arm, and workers do not need to lift the pressure arm manually, so that the workload of the workers is greatly reduced, and the operation is very simple;

2. the matching of the sliding groove and the guide rail can adjust the position of the pressure arm on the supporting rod, so that the pressure arm can always abut against the substrate;

3. the arrangement of the plurality of pressure arms enables the width direction of the substrate to be pressed and held more, so that the substrate is smoother; and the two pressing arms at the two ends can also press and hold the two sides of the substrate, so that the two ends of the substrate are very flat.

Drawings

Fig. 1 is a schematic view of the overall structure of the present application.

Fig. 2 is a schematic view of a press arm structure.

Description of reference numerals: 1. mounting the cylinder; 2. a support bar; 21. a guide rail; 3. a drive device; 31. a motor; 32. a speed reducer; 4. pressing the arm; 41. a mounting seat; 411. a chute; 413. mounting a rod; 414. a connecting rod; 415. a locking member; 4151. a locking hole; 4152. locking the bolt; 42. a connecting arm; 43. a buffer cylinder; 431. a magnetic switch; 44. a balancing weight; 45. and (4) pressing the wheel.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses blank pressing mechanism of substrate guillootine. Referring to fig. 1, the edge pressing mechanism of the substrate cutting machine comprises two mounting cylinders 1, a support rod 2 rotatably connected between the two mounting cylinders 1, a driving device 3 for driving the support rod 2 to rotate between the two mounting cylinders 1, and a pressing arm 4 mounted on the support rod 2. The driving device 3 is located on one side of one of the mounting cylinders 1 departing from the other mounting cylinder 1, and comprises a motor 31 and a speed reducer 32 fixedly connected to an output shaft of the motor 31, and an output shaft of the speed reducer 32 is fixedly connected to one end of the mounting rod 413. Can drive bracing piece 2 through motor 31 and rotate to it is rotatory around the junction with bracing piece 2 to drive pressure arm 4, thereby will press arm 4 to keep away from the one end of mount pad 41 and take off from the roller or will press arm 4 to keep away from the one end of mount pad 41 and place on the roller and play the effect of pressing and holding to the winding substrate on the roller.

Referring to fig. 1 and 2, the pressing arm 4 includes a mounting base 41 mounted on the supporting rod 2, a connecting arm 42 hinged at one end of the mounting base 41, a buffer cylinder 43 hinged between the mounting base 41 and the connecting arm 42, a counterweight 44 fixedly connected at one end of the connecting arm 42 far away from the mounting base 41, and a pressing wheel 45 rotatably connected at one end of the counterweight 44 far away from the connecting arm 42. The weight 44 increases the overall weight of the press wheel 45 on the substrate, so that the substrate is held more flat. Under the normality, pinch roller 45 places and plays the pressure through gravity and hold the effect to the substrate of rolling on the roller, when the winding is gradually increased on the substrate of roller, the diameter that roller and winding formed at the epaxial substrate of roller is crescent gradually, connecting arm 42 also around with the articulated shaft rotation of mount pad 41, will compress cushion cylinder 43 and make cushion cylinder 43's piston rod shrink, because cushion cylinder 43's piston rod can compress the air that cushion cylinder 43 holds the chamber, have certain flexible surplus, so can cushion the effort on the pressure arm 4.

Wherein the motor 31 is configured to be activated when the cushion cylinder 43 piston rod is retracted to a specified position. Specifically, a magnetic switch 431 (not shown in the figure) is fixedly connected to the outer wall of the buffer cylinder 43, the magnetic switch 431 is located at one end of the buffer cylinder 43, which is far away from the pressure arm 4, the magnetic switch 431 is electrically connected to the motor 31 through a PLC control center, a magnetic ring (not shown in the figure) is fixedly connected to a piston rod of the buffer cylinder 43, and the magnetic ring is located at one end of the piston rod of the buffer cylinder 43, which is located inside the buffer cylinder 43. Specifically, a placing groove (not shown in the figure) for embedding the magnetic ring can be formed in the piston rod of the buffer cylinder 43, and the magnetic ring can be embedded into the placing groove, so that the normal extension of the piston rod of the buffer cylinder 43 is not affected. When the piston rod of the buffer cylinder 43 is contracted by the acting force on the pressure arm 4, the piston rod of the buffer cylinder 43 retracts and drives the magnetic ring fixedly connected on the piston rod of the buffer cylinder 43 to move towards the magnetic switch 431, when the magnetic ring moves to the position of the magnetic switch 431, the magnetic ring influences the attraction behind the magnetic switch 431, the circuit is conducted and transmits a conduction signal to the PLC control center, the PLC control center starts the control motor 31 after receiving the conduction signal and drives the supporting rod 2 to rotate, thereby driving the pressure wheel 45 to lift a little angle from the substrate, so as to be suitable for the gradually enlarged roll shaft and the diameter formed by the substrate wound on the roll shaft, and the acting force on the piston rod of the buffer cylinder 43 is released. The pinch roller 45 will continue to abut against the substrate on the roller shaft, holding the substrate in compression, and circulating in sequence.

Meanwhile, in order to enable a worker to adjust the pressure on the substrate as required, one end of the buffer cylinder 43, which is far away from the pinch roller 45, is communicated with an electric proportional valve (not shown in the figure), the electric proportional valve is electrically connected with the PLC control center, and the pressure value of the electric proportional valve can be adjusted through the PLC control center, so that the pressure of the pinch roller 45 on the substrate is changed.

Referring to fig. 1 and 2, the mounting seat 41 is slidably fitted to the support rod 2. Specifically, there is guide rail 21 along its length direction rigid coupling on bracing piece 2, offers the spout 411 that supplies the guide rail 21 embedding along 4 width direction of pressure arm on mount pad 41, can realize mount pad 41 and bracing piece 2's sliding fit through guide rail 21 and spout 411's cooperation, and guide rail 21 and spout 411's setting also can install mount pad 41 on bracing piece 2 simultaneously for can drive mount pad 41 rotatory together when bracing piece 2 rotates. Meanwhile, an installation rod 413 is supported on one side of the support rod 2, which is far away from the connecting arm 42, two ends of the installation rod 413 are fixedly connected with the support rod 2 through a connecting rod 414, the installation rod 413 is in sliding fit with the installation seat 41, the installation seat 41 can be locked at any position of the installation rod 413 through a locking piece 415, the installation rod 413 can play a role in preventing the installation seat 41 from falling off, the situation that the installation seat 41 is driven to rotate relative to the support rod 2 under the gravity action of a pressing wheel 45 and a balancing weight 44 is avoided, the guide rail 21 slides down from the sliding groove 411, and when the sliding installation seat 41 is located on the support rod 2, the installation seat 41 also slides along the length direction of the.

Referring to fig. 1 and 2, the locking member 415 includes a locking bolt 4152, a locking hole 4151 is formed in the mounting seat 41, and the locking bolt 4152 is inserted into the locking hole 4151 and then abuts against the outer wall of the mounting rod 413. By screwing the locking bolt 4152 into the locking hole 4151 and abutting on the outer wall of the mounting rod 413, the position of the mounting seat 41 on the mounting rod 413 can be fixed, and the pressing arm 4 is prevented from sliding along the length direction of the support rod 2 under the action of external force.

Wherein, pressure arm 4 can be provided with a plurality ofly, and a plurality of pressure arms 4 set up along 2 length direction intervals of bracing piece, and a plurality of pressure arms 4 can carry out the pressure of many places to substrate width direction and hold for the whole more level and more smooth of substrate. When the substrate edge pressing device is used, the positions of the pressing arms 4 on the supporting rod 2 can be adjusted, so that the two pressing arms 4 at the two ends can press and hold the two sides of the substrate, the edge of the substrate can be pressed and held, and the flatness of the edge of the substrate is guaranteed. It is understood that the pressing arms 4 can be arranged as one, and the length of the pressing wheel 45 of one pressing arm 4 is consistent with the width of the substrate, so that the whole substrate can be pressed and held.

The implementation principle of the blank pressing mechanism of the substrate cutting machine is as follows: when needs cut the substrate, select the roller of suitable quantity to install in guillootine discharge gate department according to the number of the substrate of shearing earlier, then through installing installation section of thick bamboo 1 in every roller department of guillootine discharge gate for blank pressing mechanism is all installed to every roller department. Starting the motor 31, the output shaft of the motor 31 drives the supporting rod 2 to rotate through the speed reducer 32, so that one end of the pressing arm 4, which is far away from the supporting rod 2, is lifted up, and then the substrate can be wound on the roller shaft. Motor 31 is then operated to reverse, placing press roller 45 over the substrate to clamp the substrate between the roller and press roller 45. Along with the gradual increase of the substrate wound on the roll shaft, the piston rod of the buffer cylinder 43 is contracted, the piston rod of the buffer cylinder 43 drives the magnetic ring fixedly connected on the piston rod to move towards the magnetic switch 431, when the magnetic ring moves to the position of the magnetic switch 431, the magnetic switch 431 is attracted under the influence of the magnetic ring, the circuit is conducted, a conducting signal is transmitted to the PLC control center, the PLC control center starts the control motor 31 after receiving the conducting signal, make the one end that the bracing piece 2 was kept away from to pressure arm 4 around the rotatory a little angle of bracing piece 2, release and apply the effort on pressure arm 4, pinch roller 45 also from supporting the extrusion with the substrate and become with the state of substrate butt, cushion cylinder 43 piston rod resets, pinch roller 45 also presses the substrate all the time and holds, along with the winding is more and more at the epaxial substrate of roller, and the effort that is used in on pressure arm 4 increases gradually, circulates in proper order.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a blank pressing mechanism of substrate guillootine which characterized in that: including two installation section of thick bamboo (1), rotate bracing piece (2), the pivoted drive arrangement (3) of drive support pole (2) of connection between two installation sections of thick bamboo (1) and set up pressure arm (4) on bracing piece (2), pressure arm (4) including be used for mount pad (41) be connected with bracing piece (2), articulate linking arm (42) in mount pad (41) one end, set up pinch roller (45) of keeping away from mount pad (41) one end at linking arm (42) and articulate cushion cylinder (43) between mount pad (41) and linking arm (42), drive arrangement (3) are configured as start when cushion cylinder (43) piston rod contracts the assigned position.

2. The edge pressing mechanism of a substrate cutting machine as claimed in claim 1, wherein: the driving device (3) is located at one end of the supporting rod (2) and comprises a motor (31) and a speed reducer (32) fixedly connected to an output shaft of the motor (31), and an output shaft of the speed reducer (32) is fixedly connected to one end of the supporting rod (2).

3. The edge pressing mechanism of the substrate cutting machine according to claim 2, characterized in that: the magnetic switch (431) is fixedly connected to the outer wall of the buffer cylinder (43), the magnetic switch (431) is located at one end, far away from the pinch roller (45), of the buffer cylinder (43), a magnetic ring is fixedly connected to a piston rod of the buffer cylinder (43), the magnetic ring is located at one end, located inside the buffer cylinder (43), of the piston rod of the buffer cylinder (43), and the motor (31) is configured to be started when the piston rod of the buffer cylinder (43) contracts to the position where the magnetic ring reaches the magnetic switch (431).

4. The edge pressing mechanism of a substrate cutting machine as claimed in claim 1, wherein: mount pad (41) with bracing piece (2) sliding fit, there are guide rail (21) along its length direction rigid coupling on bracing piece (2), offer the confession on mount pad (41) spout (411) that guide rail (21) embedded.

5. The edge pressing mechanism of the substrate cutting machine according to claim 4, characterized in that: the supporting rod (2) is far away from one side of the pressing wheel (45) and is supported with an installation rod (413), the installation rod (413) is in sliding fit with the installation seat (41), and the installation seat (41) can be locked at any position of the installation rod (413) through a locking piece (415).

6. The edge pressing mechanism of the substrate cutting machine according to claim 5, characterized in that: the locking piece (415) comprises a locking bolt (4152), a locking hole (4151) is formed in the mounting seat (41), and the locking bolt (4152) penetrates through the locking hole (4151) and abuts against the outer wall of the mounting rod (413).

7. The edge pressing mechanism of a substrate cutting machine as claimed in claim 1, wherein: and a balancing weight (44) is fixedly connected to one end, far away from the mounting seat (41), of the connecting arm (42).

8. The edge pressing mechanism of a substrate cutting machine as claimed in claim 1, wherein: the pressing arms (4) are arranged in a plurality, and the pressing arms (4) are arranged side by side along the length direction of the supporting rod (2).